SY21031 - 0.8A Asynchronous Step-Down Regulator

Product Overview

Silergy

Datasheet Details

Part number	SY21031
Manufacturer	Silergy
File Size	1.16 MB
Description	0.8A Asynchronous Step-Down Regulator
Datasheet	SY21031 Datasheet
Additional preview pages of the SY21031 datasheet.

Product details

Description

The SY21031 high-efficiency asynchronous stepdown DC/DC regulator is using an adaptive constant off-time architecture, and can deliver 0.8A current over a wide input voltage range from 4.5V to 55V.

Features

4.5V to 55V Input Voltage Range.
Up to 0.8A Output Current.
Low RDS(ON) for Internal N-Channel Power FET: 700mΩ.
1.2MHz Pseudoconstant Switching Frequency.
Adaptive Constant Off-Time Control.
Internal Soft-Start Limits Inrush Current.
±1% 0.6V Reference.
Hiccup Mode Short-Circuit Protection.
EN On/Off Control with Accurate Threshold.
Cycle-by-Cycle Peak Current Limit.
RoHS-Compliant and Halogen-Free.
Compact SOT23-6 Package.

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Published: Dec 16, 2024 |